RN0020-SV-11 925 silver ring with two gemstones with london blue topaz and white topaz. The 4mm round gems have an approximate weight of 0.48 carats and a metal weight of 6 to 8 grams. Read complete details for this gorgeous ring at http://www.jewelat.com/shop/rings/730-RN0020-SV-11-ring-925-silver-london-blue-topaz.html